Worked on software development for 20+ years and led team for 15+ years. Thanks to the team's mission, I acquired a variety of programming skills, from assembly language, C/C++, Java, TypeScript to cloud and web technology. I led and developed the tools and products on different platforms (like System Z, Power, x86) and operation systems (like z/OS, Linux, AIX, Windows), and gained the rich experience on different development scenarios.